1M SEARCH is classified as Win32:PUP-gen (potentially unwanted program).
What is PUP?
PUP is crapware. 1M SEARCH have several types of unwanted behaviour:

1. Displaying popup ads.
2. Hijacking your browser.
3. Infecting your desktop shortcuts, etc.
4. Inserting ads to the web pages.

1M SEARCH can redirect your browser search, collect your personal information and sell it for advertising.
1M SEARCH is usually hard in removing. Some people could not find uninstall program for 1M SEARCH in the Control Panel.
Sometimes 1M SEARCH uninstaller does not work.

How 1M SEARCH got on my computer?

Usually you got 1M SEARCH with as part of a bundle with another tool you downloaded from the Internet. Since 1M SEARCH manufacturer pays software developers for distributing 1M SEARCH within their applications, 1M SEARCH is often included as part of the installer.
Usually, you have not only one 1M SEARCH problem, but a bunch of similar WIN32:PUPs.

How to remove 1M SEARCH?

Step-by-step Guide for manual removal of 1M SEARCH:

1. Uninstall 1M SEARCH using Windows uninstallation applet (use Add/Remove Programs or Uninstall Program or Apps & features).
2. Open Task Manager to kill all "1M SEARCH" related processes.
3. Use Windows search to find and remove "1M SEARCH" files and folders.
4. Run services.msc to disable a "1M SEARCH" Windows service.
5. Execute taskschd.msc to get rid of "1M SEARCH" scheduled tasks.
6. Open regedit.exe and delete 1M SEARCH registry keys and values.
7. Check your shortcuts on your desktop and in the Start menu for 1M SEARCH presence. Fix infected shortcuts.
8. Remove a virus from Google Chrome.
9. Remove a virus from Internet Explorer.
10. Remove a virus from Mozilla Firefox.
11. Clean your Recycle bin and temporary files.